Epsilon Cassiopeiae
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| Observation data Equinox J2000.0 |
|
|---|---|
| Constellation | Cassiopeia |
| Right ascension | 01h54m23.7s |
| Declination | +63°40′12″ |
| Apparent magnitude (V) | +3.38 |
| Distance | 442 ± 34 ly (136 ± 10 pc) |
| Spectral type | B3III |
| Other designations | |
Epsilon Cassiopeiae (ε Cas / ε Cassiopeiae) is a star system in the constellation Cassiopeia. It is approximately 441 light years from Earth. It has the traditional name Segin.
It is a single, blue-white B-type giant with a luminosity 720 times that of the Sun. It has an apparent magnitude of +3.38 and is approximately 442 light years from Earth.
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